from tkinter import*
x=int(input("Введите начальную коордтинату X: "))
y=int(input("Введите начальную коордтинату Y: "))
n=int(input("Введите коэффициент увеличения N: "))
coords=[0,0,10,0,10,10,20,10,20,30,10,30,10,20,0,20]
if n==0 and x>=0 and x<=500 and y>=0 and y<=500:
    pass
else:
    if n>0 and 0*n+x>=0 and 0*n+y>=0 and 20*n+x<=500 and 30*n+y<=500:
        pass
    else:
        if n<0 and 20*n+x>=0 and 30*n+y>=0 and 0*n+x<=500 and 0*n+y<=500:
            pass
        else:
            print("Выходит за рамку")
            exit()
root=Tk()
root.geometry("500x500")
root.title("ИТ марафон")
canvas=Canvas(bg="white", width=500,height=500)
canvas.pack(anchor=CENTER, expand=1)
canvas.create_polygon(coords[0] *n+x, coords[1] *n+y,
                      coords[2] *n+x, coords[3] *n+y,
                      coords[4] *n+x, coords[5] *n+y,
                      coords[6] *n+x, coords[7] *n+y,
                      coords[8] *n+x, coords[9] *n+y,
                      coords[10] *n+x, coords[11] *n+y,
                      coords[12] *n+x, coords[13] *n+y,
                      coords[14] *n+x, coords[15] *n+y)
root.mainloop()
